Gaz Beadle, Holly Hagan, Scotty T, Chloe Ferry and Marnie Simpson are among some of the show's faces who have dolled up for a swish party in South Shields.
The gang are having their bash at Mediterranean restaurant Mambo Wine and Dine and, along with gold foil '5' balloons adoring the tables, they are also marking the occasion with a very apt cake!
Modelled on the iconic image of the gang all in bed together, the tasty treat features all the cast - past and present - in icing form, tucked under the duvet.
While Holly shared a pic of the cake on Snapchat, staff at the restaurant also posted a shot to their Facebook page, which shows the cast gathered around in front of it.
Judging by the evidence on social media so far, the evening has been going swimmingly well, with lots of laughter, dancing and drinking.
But can these guys and girls end a night together without at least one hook-up and catfight?
Only time will tell!
Tonight fans will see the current series come to an end on MTV and, in a sneak peek, it seems Marnie finally goes on a first date with Aaron Chalmers.
Next Tuesday, to celebrate the show's fifth birthday, a special series will begin called Geordie Shore: Birthday Battle.
Geordie faces old and new will join forces, including Sophie Kasaei - who has been talking about her return and cousin Marnie's sexuality ahead of her comeback.
Geordie Shore: Birthday Battle, 10pm, MTV, Tuesday 10 May